1. Maritime Technology Research Institute,Agency for Defense Development,Changwon,South Korea
2. Material/Energy Technology Center, Agency for Defense Development,Daejeon,South Korea
3. Hanwha Systems,Naval Business Department,Seongnam-Si,South Korea
4. School of Mechanical Engineering, Pusan National University,Busan,South Korea
5. Bumhan Fuel Cell,Hydrogen and Fuel Cell Division,Changwon,South Korea